YOU SAID:
There are times where I wonder what this is about.
INTO JAPANESE
私はこれが何であるか疑問に思う時があります。
BACK INTO ENGLISH
There are times when I wonder what this is.
INTO JAPANESE
これは何なのかと思う時があります。
BACK INTO ENGLISH
There are times when I wonder what this is.
You've done this before, haven't you.